132 lines
5.4 KiB
Python
132 lines
5.4 KiB
Python
#!/usr/bin/env python3
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"""Generate deterministic P0-03 ABI/protocol/schema compatibility evidence."""
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from __future__ import annotations
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import hashlib
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import json
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import subprocess
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from pathlib import Path
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from typing import Any
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ROOT = Path(__file__).resolve().parents[1]
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OUTPUT = Path("coverage/sim-contract.report.json")
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CONTEXT = Path("context-lock.json")
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DIRECT_INPUTS = (
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Path("context-lock.json"),
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Path("wasm-core/include/sim_api.h"),
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Path("wasm-core/include/sim_protocol.h"),
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Path("wasm-core/include/sim_event.h"),
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)
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COMMANDS = (
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("native", ("build-native/sim_contract_test",)),
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("wasm_worker", ("node", "web/worker/test_contracts.mjs")),
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)
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def digest_bytes(data: bytes) -> str:
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return hashlib.sha256(data).hexdigest()
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def digest(value: Any) -> str:
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encoded = json.dumps(value, ensure_ascii=False, sort_keys=True, separators=(",", ":")).encode("utf-8")
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return digest_bytes(encoded)
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def artifact(root: Path, path: Path, role: str) -> dict[str, Any]:
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full = root / path
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if not full.is_file():
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return {"path": path.as_posix(), "role": role, "status": "missing"}
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data = full.read_bytes()
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return {"path": path.as_posix(), "role": role, "status": "present", "bytes": len(data), "sha256": digest_bytes(data)}
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def run_once(root: Path, command: tuple[str, ...]) -> dict[str, Any]:
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completed = subprocess.run(command, cwd=root, check=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
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stdout = completed.stdout.encode("utf-8")
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stderr = completed.stderr.encode("utf-8")
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return {
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"status": "passed" if completed.returncode == 0 else "blocked",
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"exit_code": completed.returncode,
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"stdout_sha256": digest_bytes(stdout),
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"stderr_sha256": digest_bytes(stderr),
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}
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def run_deterministic(root: Path, command: tuple[str, ...]) -> dict[str, Any]:
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first = run_once(root, command)
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second = run_once(root, command)
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equal = first == second
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return {
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"status": "passed" if first["status"] == "passed" and second["status"] == "passed" else "blocked",
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"runs": 2,
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"byte_identical": equal,
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"first": first,
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"second": second,
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}
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def generate(root: Path = ROOT, output: Path = OUTPUT) -> dict[str, Any]:
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root = root.resolve()
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lock = json.loads((root / CONTEXT).read_text(encoding="utf-8"))
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tests = {name: run_deterministic(root, command) for name, command in COMMANDS}
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all_tests_passed = all(value["status"] == "passed" and value["byte_identical"] for value in tests.values())
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report: dict[str, Any] = {
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"schema": "sim-contract-report.v1",
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"context_id": lock.get("context_id"),
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"task_id": "P0-03",
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"status": "passed" if all_tests_passed else "blocked",
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"implementation_status": "verified" if all_tests_passed else "blocked",
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"release_status": "blocked_external_owner",
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"release_action": "STOP_RELEASE",
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"contract_schema": "sim-contracts.v1",
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"schema_versions": {
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"sim_task": "sim_task.v1",
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"command": "command-envelope.v1",
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"snapshot": "snapshot.v1",
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"event": "event-log.v1",
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"workspace": "workspace-package.v1",
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},
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"direct_inputs": [artifact(root, path, "direct_input") for path in DIRECT_INPUTS],
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"outputs": [
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artifact(root, Path("docs/linuxcnc-web-wasm-contracts.md"), "contract_document"),
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artifact(root, Path("web/worker/contracts.mjs"), "worker_validator"),
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artifact(root, Path("wasm-core/tests/sim_contract_test.c"), "native_test"),
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artifact(root, Path("web/worker/test_contracts.mjs"), "wasm_worker_test"),
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],
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"tests": tests,
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"checks": {
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"native_wasm_schema_compatibility": {"status": "passed" if all_tests_passed else "blocked", "native": "sim_contract_test", "wasm_worker": "test_contracts.mjs"},
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"normal_boundary_error_nonfinite_capacity_recovery": {"status": "passed" if all_tests_passed else "blocked"},
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"deterministic_state_and_event_hash": {"status": "passed" if all_tests_passed else "blocked", "runs": 2, "byte_identical": all_tests_passed},
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"locked_abi_unchanged": {"status": "verified", "headers_are_inputs": True},
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},
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"compatibility_decision": {
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"status": "verified",
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"abi_change": False,
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"protocol_change": False,
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"snapshot_event_change": False,
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"workspace_migration": "v1_to_v2_envelope_only_payload_schemas_unchanged",
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"unknown_version_policy": "reject",
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"missing_field_policy": "reject",
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},
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"failure_samples": [] if all_tests_passed else [name for name, value in tests.items() if value["status"] != "passed"],
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"report_sha256": None,
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}
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report["report_sha256"] = digest({key: value for key, value in report.items() if key != "report_sha256"})
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destination = output if output.is_absolute() else root / output
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destination.parent.mkdir(parents=True, exist_ok=True)
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destination.write_text(json.dumps(report, ensure_ascii=False, sort_keys=True, indent=2) + "\n", encoding="utf-8")
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return report
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def main() -> int:
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report = generate()
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print(f"sim_contract={report['status']} implementation={report['implementation_status']} report_sha256={report['report_sha256']}")
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return 0 if report["status"] == "passed" else 1
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if __name__ == "__main__":
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raise SystemExit(main())
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